Across
- 4. an object, diagram, or computer program that helps us understand something by making it simpler or easier to see
- 5. one of the very large sections of hard, solid rock that make up Earth’s outer layer
- 6. moving toward the same place
- 7. boundary the place where two plates meet
- 8. any of the many processes (such as eruptions and lava flows) in which gas, lava, and ash are pushed out on the surface of Earth
- 11. any of Earth's main continuous areas of land, such as Africa,
- 14. a long, deep indentation in the ocean floor formed when two plates move together
- 15. a sudden shaking of Earth's surface
Down
- 1. a diagram that shows what the inside of something looks like
- 2. to examine in detail for a purpose
- 3. an underwater mountain range formed when two plates move apart
- 4. an extinct reptile that lived about 300 million years ago
- 7. something we observe to be similar over and over again
- 9. layer Earth’s outermost layer of hard, solid rock that is underneath the soil, vegetation, and water
- 10. moving apart in different directions
- 12. the layer of soft, solid rock underneath Earth's plates
- 13. hot liquid rock on the surface of Earth